FixVault

Main Control: Removal

Main control 

  1. Remove the transmission fluid pan. For additional information, refer to Transmission Fluid Pan .
  2. Disconnect the transmission fluid temperature (TFT) sensor electrical connector.
  3. Fig 1: Locating Transmission Fluid Temperature (TFT) Sensor Electrical Connector
    GF0029777Courtesy of FORD MOTOR CO.
  4. Remove the transmission fluid filter.
  5. Fig 2: Locating Fluid Filter
    GF0029778Courtesy of FORD MOTOR CO.
    NOTE: It is necessary to note the location of the main control wire harness connectors so they can be connected in the same positions. Connector color letters are cast into the solenoid body.
  6. Remove the ground wire bolt. Disconnect the electrical connectors and remove the main control wiring harness.
    1. Solenoid SSA, color (BU/GN).
    2. Solenoid SSB, color (BK/GN).
    3. Solenoid SSC, color (BU/BN).
    4. Solenoid PCA, color (BU/BN).
    5. Solenoid SSD, color (WH).
    6. Solenoid SSE, color (RD).
  7. Fig 3: Disconnecting Electrical Connectors, Removing Main Control Wiring Harness And Ground Wire Bolt
    GF0029779Courtesy of FORD MOTOR CO.
    CAUTION: Note the 2 accumulators and springs may fall out of the case during the main control valve body removal.
    NOTE: Note the locations of the 2 long bolts.
  8. Remove the 14 main control valve body bolts and remove the main control valve body and solenoids as an assembly.
  9. Fig 4: Locating Main Control Valve Body Bolts
    GF0029780Courtesy of FORD MOTOR CO.
    NOTE: Each accumulator is equipped with 2 springs. All 4 springs are different sizes.
    NOTE: Note the size and location of the accumulator springs to aid assembly.
    NOTE: Note the shape of each piston and the piston bore from which the piston was removed. The shape and size will vary depending on application. The piston must be installed in its correct bore during assembly.
  10. Remove the accumulator pistons and springs.
  11. Fig 5: Locating Accumulator Pistons And Springs
    GF0029781Courtesy of FORD MOTOR CO.

    Shift solenoids A, B, C, D, E and pressure control solenoid A (PCA) 

  12. Remove the 4 shift solenoid bracket bolts and remove the bracket. Remove the affected solenoid.
    Item Part Number Description
    1 7G484 Shift solenoid A
    2 7G484 Shift solenoid B
    3 7G484 Shift solenoid C
  13. Fig 6: Locating Shift Solenoid Bracket Bolts
    GF0029782Courtesy of FORD MOTOR CO.
  14. Remove the bolts and remove affected solenoid.
    Item Part Number Description
    1 7G383 Pressure control solenoid A
    2 7H148 Shift solenoid D
    3 7H148 Shift solenoid E
  15. Fig 7: Locating Affected Solenoid Bolts
    GF0029783Courtesy of FORD MOTOR CO.

    Shift solenoid F and pressure control solenoid B (PCB) 

  16. Remove the battery tray. For additional information, refer to BATTERY, MOUNTING AND CABLES .
  17. Remove the 11 side cover bolts and remove the cover.
    • Using a suitable tool, separate the bead of sealer.
  18. Fig 8: Locating Side Cover Bolts
    GF0029784Courtesy of FORD MOTOR CO.
  19. Clean the silicone from the side cover and transaxle case surfaces thoroughly with metal surface cleaner.
  20. Disconnect the electrical connectors.
    1. Disconnect the electrical connector for the pressure control solenoid B.
    2. Disconnect the electrical connector for the shift solenoid F.
  21. Fig 9: Identifying Electrical Connector For Shift Solenoid F
    GF0029785Courtesy of FORD MOTOR CO.
  22. Remove the bolt and the ground wire.
  23. Fig 10: Identifying Ground Wire Bolt
    GF0029786Courtesy of FORD MOTOR CO.
  24. Remove the 2 bolts and the solenoid body assembly.
  25. Fig 11: Identifying Solenoid Body Assembly Bolts
    GF0029787Courtesy of FORD MOTOR CO.
  26. Remove the bolts, bracket and the pressure control solenoid B.
  27. Fig 12: Identifying Bolts, Bracket & Pressure Control Solenoid B
    GF0029788Courtesy of FORD MOTOR CO.
  28. Remove the bolt and the shift solenoid F.
  29. Fig 13: Identifying Shift Solenoid F Bolt
    GF0029789Courtesy of FORD MOTOR CO.
  30. Inspect the O-ring seals for damage, install new O-rings as required.
  31. Fig 14: Inspecting O-Ring Seals For Damage
    GF0029790Courtesy of FORD MOTOR CO.
  32. Inspect the guide pins for damage, install new guide pins as required.
  33. Fig 15: Inspecting Guide Pins For Damage
    GF0029791Courtesy of FORD MOTOR CO.